- Get Involved
All Smithsonian museums will be open today, March 6. The National Zoo will open at noon today.Skip navigation
March 5, 2010 – May 28, 2012
Museum: American History Museum
Location: Artifact Walls near the Constitution Ave. Entrance
During 1960, scientists in the U.S. invented three different types of lasers. Since then many other lasers have been developed and adopted for a range of uses. This case features objects from the inventors on the occasion of the 50th anniversary of this important invention. Also displayed are objects representing both practical and entertaining uses of lasers, including a laser disc player.